diff --git a/src/Doc/System/document/build b/src/Doc/System/document/build
deleted file mode 100755
--- a/src/Doc/System/document/build
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-FORMAT="$1"
-VARIANT="$2"
-
-"$ISABELLE_HOME/src/Doc/prepare_document" "$FORMAT"
-
diff --git a/src/Doc/Typeclass_Hierarchy/document/build b/src/Doc/Typeclass_Hierarchy/document/build
deleted file mode 100755
--- a/src/Doc/Typeclass_Hierarchy/document/build
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-FORMAT="$1"
-VARIANT="$2"
-
-"$ISABELLE_HOME/src/Doc/prepare_document" "$FORMAT"
-